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-rw-r--r--tools/llvm2cpp/CppWriter.cpp1413
1 files changed, 265 insertions, 1148 deletions
diff --git a/tools/llvm2cpp/CppWriter.cpp b/tools/llvm2cpp/CppWriter.cpp
index 0f28e30e16..bd49a07937 100644
--- a/tools/llvm2cpp/CppWriter.cpp
+++ b/tools/llvm2cpp/CppWriter.cpp
@@ -2,8 +2,8 @@
//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
@@ -30,582 +30,12 @@
using namespace llvm;
namespace {
-/// This class provides computation of slot numbers for LLVM Assembly writing.
-/// @brief LLVM Assembly Writing Slot Computation.
-class SlotMachine {
-
-/// @name Types
-/// @{
-public:
-
- /// @brief A mapping of Values to slot numbers
- typedef std::map<const Value*, unsigned> ValueMap;
- typedef std::map<const Type*, unsigned> TypeMap;
-
- /// @brief A plane with next slot number and ValueMap
- struct ValuePlane {
- unsigned next_slot; ///< The next slot number to use
- ValueMap map; ///< The map of Value* -> unsigned
- ValuePlane() { next_slot = 0; } ///< Make sure we start at 0
- };
-
- struct TypePlane {
- unsigned next_slot;
- TypeMap map;
- TypePlane() { next_slot = 0; }
- void clear() { map.clear(); next_slot = 0; }
- };
-
- /// @brief The map of planes by Type
- typedef std::map<const Type*, ValuePlane> TypedPlanes;
-
-/// @}
-/// @name Constructors
-/// @{
-public:
- /// @brief Construct from a module
- SlotMachine(const Module *M );
-
-/// @}
-/// @name Accessors
-/// @{
-public:
- /// Return the slot number of the specified value in it's type
- /// plane. Its an error to ask for something not in the SlotMachine.
- /// Its an error to ask for a Type*
- int getSlot(const Value *V);
- int getSlot(const Type*Ty);
-
- /// Determine if a Value has a slot or not
- bool hasSlot(const Value* V);
- bool hasSlot(const Type* Ty);
-
-/// @}
-/// @name Mutators
-/// @{
-public:
- /// If you'd like to deal with a function instead of just a module, use
- /// this method to get its data into the SlotMachine.
- void incorporateFunction(const Function *F) {
- TheFunction = F;
- FunctionProcessed = false;
- }
-
- /// After calling incorporateFunction, use this method to remove the
- /// most recently incorporated function from the SlotMachine. This
- /// will reset the state of the machine back to just the module contents.
- void purgeFunction();
-
-/// @}
-/// @name Implementation Details
-/// @{
-private:
- /// Values can be crammed into here at will. If they haven't
- /// been inserted already, they get inserted, otherwise they are ignored.
- /// Either way, the slot number for the Value* is returned.
- unsigned createSlot(const Value *V);
- unsigned createSlot(const Type* Ty);
-
- /// Insert a value into the value table. Return the slot number
- /// that it now occupies. BadThings(TM) will happen if you insert a
- /// Value that's already been inserted.
- unsigned insertValue( const Value *V );
- unsigned insertValue( const Type* Ty);
-
- /// Add all of the module level global variables (and their initializers)
- /// and function declarations, but not the contents of those functions.
- void processModule();
-
- /// Add all of the functions arguments, basic blocks, and instructions
- void processFunction();
-
- SlotMachine(const SlotMachine &); // DO NOT IMPLEMENT
- void operator=(const SlotMachine &); // DO NOT IMPLEMENT
-
-/// @}
-/// @name Data
-/// @{
-public:
-
- /// @brief The module for which we are holding slot numbers
- const Module* TheModule;
-
- /// @brief The function for which we are holding slot numbers
- const Function* TheFunction;
- bool FunctionProcessed;
-
- /// @brief The TypePlanes map for the module level data
- TypedPlanes mMap;
- TypePlane mTypes;
-
- /// @brief The TypePlanes map for the function level data
- TypedPlanes fMap;
- TypePlane fTypes;
-
-/// @}
-
-};
-
typedef std::vector<const Type*> TypeList;
typedef std::map<const Type*,std::string> TypeMap;
typedef std::map<const Value*,std::string> ValueMap;
-void WriteAsOperandInternal(std::ostream &Out, const Value *V,
- bool PrintName, TypeMap &TypeTable,
- SlotMachine *Machine);
-
-void WriteAsOperandInternal(std::ostream &Out, const Type *T,
- bool PrintName, TypeMap& TypeTable,
- SlotMachine *Machine);
-
-const Module *getModuleFromVal(const Value *V) {
- if (const Argument *MA = dyn_cast<Argument>(V))
- return MA->getParent() ? MA->getParent()->getParent() : 0;
- else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
- return BB->getParent() ? BB->getParent()->getParent() : 0;
- else if (const Instruction *I = dyn_cast<Instruction>(V)) {
- const Function *M = I->getParent() ? I->getParent()->getParent() : 0;
- return M ? M->getParent() : 0;
- } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
- return GV->getParent();
- return 0;
-}
-
-// getLLVMName - Turn the specified string into an 'LLVM name', which is either
-// prefixed with % (if the string only contains simple characters) or is
-// surrounded with ""'s (if it has special chars in it).
-std::string getLLVMName(const std::string &Name,
- bool prefixName = true) {
- assert(!Name.empty() && "Cannot get empty name!");
-
- // First character cannot start with a number...
- if (Name[0] >= '0' && Name[0] <= '9')
- return "\"" + Name + "\"";
-
- // Scan to see if we have any characters that are not on the "white list"
- for (unsigned i = 0, e = Name.size(); i != e; ++i) {
- char C = Name[i];
- assert(C != '"' && "Illegal character in LLVM value name!");
- if ((C < 'a' || C > 'z') && (C < 'A' || C > 'Z') && (C < '0' || C > '9') &&
- C != '-' && C != '.' && C != '_')
- return "\"" + Name + "\"";
- }
-
- // If we get here, then the identifier is legal to use as a "VarID".
- if (prefixName)
- return "%"+Name;
- else
- return Name;
-}
-
-
-/// fillTypeNameTable - If the module has a symbol table, take all global types
-/// and stuff their names into the TypeNames map.
-///
-void fillTypeNameTable(const Module *M, TypeMap& TypeNames) {
- if (!M) return;
- const SymbolTable &ST = M->getSymbolTable();
- SymbolTable::type_const_iterator TI = ST.type_begin();
- for (; TI != ST.type_end(); ++TI ) {
- // As a heuristic, don't insert pointer to primitive types, because
- // they are used too often to have a single useful name.
- //
- const Type *Ty = cast<Type>(TI->second);
- if (!isa<PointerType>(Ty) ||
- !cast<PointerType>(Ty)->getElementType()->isPrimitiveType() ||
- isa<OpaqueType>(cast<PointerType>(Ty)->getElementType()))
- TypeNames.insert(std::make_pair(Ty, getLLVMName(TI->first)));
- }
-}
-
-void calcTypeName(const Type *Ty,
- std::vector<const Type *> &TypeStack,
- TypeMap& TypeNames,
- std::string & Result){
- if (Ty->isPrimitiveType() && !isa<OpaqueType>(Ty)) {
- Result += Ty->getDescription(); // Base case
- return;
- }
-
- // Check to see if the type is named.
- TypeMap::iterator I = TypeNames.find(Ty);
- if (I != TypeNames.end()) {
- Result += I->second;
- return;
- }
-
- if (isa<OpaqueType>(Ty)) {
- Result += "opaque";
- return;
- }
-
- // Check to see if the Type is already on the stack...
- unsigned Slot = 0, CurSize = TypeStack.size();
- while (Slot < CurSize && TypeStack[Slot] != Ty) ++Slot; // Scan for type
-
- // This is another base case for the recursion. In this case, we know
- // that we have looped back to a type that we have previously visited.
- // Generate the appropriate upreference to handle this.
- if (Slot < CurSize) {
- Result += "\\" + utostr(CurSize-Slot); // Here's the upreference
- return;
- }
-
- TypeStack.push_back(Ty); // Recursive case: Add us to the stack..
-
- switch (Ty->getTypeID()) {
- case Type::FunctionTyID: {
- const FunctionType *FTy = cast<FunctionType>(Ty);
- calcTypeName(FTy->getReturnType(), TypeStack, TypeNames, Result);
- Result += " (";
- for (FunctionType::param_iterator I = FTy->param_begin(),
- E = FTy->param_end(); I != E; ++I) {
- if (I != FTy->param_begin())
- Result += ", ";
- calcTypeName(*I, TypeStack, TypeNames, Result);
- }
- if (FTy->isVarArg()) {
- if (FTy->getNumParams()) Result += ", ";
- Result += "...";
- }
- Result += ")";
- break;
- }
- case Type::StructTyID: {
- const StructType *STy = cast<StructType>(Ty);
- Result += "{ ";
- for (StructType::element_iterator I = STy->element_begin(),
- E = STy->element_end(); I != E; ++I) {
- if (I != STy->element_begin())
- Result += ", ";
- calcTypeName(*I, TypeStack, TypeNames, Result);
- }
- Result += " }";
- break;
- }
- case Type::PointerTyID:
- calcTypeName(cast<PointerType>(Ty)->getElementType(),
- TypeStack, TypeNames, Result);
- Result += "*";
- break;
- case Type::ArrayTyID: {
- const ArrayType *ATy = cast<ArrayType>(Ty);
- Result += "[" + utostr(ATy->getNumElements()) + " x ";
- calcTypeName(ATy->getElementType(), TypeStack, TypeNames, Result);
- Result += "]";
- break;
- }
- case Type::PackedTyID: {
- const PackedType *PTy = cast<PackedType>(Ty);
- Result += "<" + utostr(PTy->getNumElements()) + " x ";
- calcTypeName(PTy->getElementType(), TypeStack, TypeNames, Result);
- Result += ">";
- break;
- }
- case Type::OpaqueTyID:
- Result += "opaque";
- break;
- default:
- Result += "<unrecognized-type>";
- }
-
- TypeStack.pop_back(); // Remove self from stack...
- return;
-}
-
-
-/// printTypeInt - The internal guts of printing out a type that has a
-/// potentially named portion.
-///
-std::ostream &printTypeInt(std::ostream &Out, const Type *Ty,TypeMap&TypeNames){
- // Primitive types always print out their description, regardless of whether
- // they have been named or not.
- //
- if (Ty->isPrimitiveType() && !isa<OpaqueType>(Ty))
- return Out << Ty->getDescription();
-
- // Check to see if the type is named.
- TypeMap::iterator I = TypeNames.find(Ty);
- if (I != TypeNames.end()) return Out << I->second;
-
- // Otherwise we have a type that has not been named but is a derived type.
- // Carefully recurse the type hierarchy to print out any contained symbolic
- // names.
- //
- std::vector<const Type *> TypeStack;
- std::string TypeName;
- calcTypeName(Ty, TypeStack, TypeNames, TypeName);
- TypeNames.insert(std::make_pair(Ty, TypeName));//Cache type name for later use
- return (Out << TypeName);
-}
-
-
-/// WriteTypeSymbolic - This attempts to write the specified type as a symbolic
-/// type, iff there is an entry in the modules symbol table for the specified
-/// type or one of it's component types. This is slower than a simple x << Type
-///
-std::ostream &WriteTypeSymbolic(std::ostream &Out, const Type *Ty,
- const Module *M) {
- Out << ' ';
-
- // If they want us to print out a type, attempt to make it symbolic if there
- // is a symbol table in the module...
- if (M) {
- TypeMap TypeNames;
- fillTypeNameTable(M, TypeNames);
-
- return printTypeInt(Out, Ty, TypeNames);
- } else {
- return Out << Ty->getDescription();
- }
-}
-
-// PrintEscapedString - Print each character of the specified string, escaping
-// it if it is not printable or if it is an escape char.
-void PrintEscapedString(const std::string &Str, std::ostream &Out) {
- for (unsigned i = 0, e = Str.size(); i != e; ++i) {
- unsigned char C = Str[i];
- if (isprint(C) && C != '"' && C != '\\') {
- Out << C;
- } else {
- Out << '\\'
- << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
- << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
- }
- }
-}
-
-/// @brief Internal constant writer.
-void WriteConstantInternal(std::ostream &Out, const Constant *CV,
- bool PrintName,
- TypeMap& TypeTable,
- SlotMachine *Machine) {
- const int IndentSize = 4;
- static std::string Indent = "\n";
- if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
- Out << (CB == ConstantBool::True ? "true" : "false");
- } else if (const ConstantSInt *CI = dyn_cast<ConstantSInt>(CV)) {
- Out << CI->getValue();
- } else if (const ConstantUInt *CI = dyn_cast<ConstantUInt>(CV)) {
- Out << CI->getValue();
- } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
- // We would like to output the FP constant value in exponential notation,
- // but we cannot do this if doing so will lose precision. Check here to
- // make sure that we only output it in exponential format if we can parse
- // the value back and get the same value.
- //
- std::string StrVal = ftostr(CFP->getValue());
-
- // Check to make sure that the stringized number is not some string like
- // "Inf" or NaN, that atof will accept, but the lexer will not. Check that
- // the string matches the "[-+]?[0-9]" regex.
- //
- if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
- ((StrVal[0] == '-' || StrVal[0] == '+') &&
- (StrVal[1] >= '0' && StrVal[1] <= '9')))
- // Reparse stringized version!
- if (atof(StrVal.c_str()) == CFP->getValue()) {
- Out << StrVal;
- return;
- }
-
- // Otherwise we could not reparse it to exactly the same value, so we must
- // output the string in hexadecimal format!
- assert(sizeof(double) == sizeof(uint64_t) &&
- "assuming that double is 64 bits!");
- Out << "0x" << utohexstr(DoubleToBits(CFP->getValue()));
-
- } else if (isa<ConstantAggregateZero>(CV)) {
- Out << "zeroinitializer";
- } else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
- // As a special case, print the array as a string if it is an array of
- // ubytes or an array of sbytes with positive values.
- //
- const Type *ETy = CA->getType()->getElementType();
- if (CA->isString()) {
- Out << "c\"";
- PrintEscapedString(CA->getAsString(), Out);
- Out << "\"";
-
- } else { // Cannot output in string format...
- Out << '[';
- if (CA->getNumOperands()) {
- Out << ' ';
- printTypeInt(Out, ETy, TypeTable);
- WriteAsOperandInternal(Out, CA->getOperand(0),
- PrintName, TypeTable, Machine);
- for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
- Out << ", ";
- printTypeInt(Out, ETy, TypeTable);
- WriteAsOperandInternal(Out, CA->getOperand(i), PrintName,
- TypeTable, Machine);
- }
- }
- Out << " ]";
- }
- } else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
- Out << '{';
- unsigned N = CS->getNumOperands();
- if (N) {
- if (N > 2) {
- Indent += std::string(IndentSize, ' ');
- Out << Indent;
- } else {
- Out << ' ';
- }
- printTypeInt(Out, CS->getOperand(0)->getType(), TypeTable);
-
- WriteAsOperandInternal(Out, CS->getOperand(0),
- PrintName, TypeTable, Machine);
-
- for (unsigned i = 1; i < N; i++) {
- Out << ", ";
- if (N > 2) Out << Indent;
- printTypeInt(Out, CS->getOperand(i)->getType(), TypeTable);
-
- WriteAsOperandInternal(Out, CS->getOperand(i),
- PrintName, TypeTable, Machine);
- }
- if (N > 2) Indent.resize(Indent.size() - IndentSize);
- }
-
- Out << " }";
- } else if (const ConstantPacked *CP = dyn_cast<ConstantPacked>(CV)) {
- const Type *ETy = CP->getType()->getElementType();
- assert(CP->getNumOperands() > 0 &&
- "Number of operands for a PackedConst must be > 0");
- Out << '<';
- Out << ' ';
- printTypeInt(Out, ETy, TypeTable);
- WriteAsOperandInternal(Out, CP->getOperand(0),
- PrintName, TypeTable, Machine);
- for (unsigned i = 1, e = CP->getNumOperands(); i != e; ++i) {
- Out << ", ";
- printTypeInt(Out, ETy, TypeTable);
- WriteAsOperandInternal(Out, CP->getOperand(i), PrintName,
- TypeTable, Machine);
- }
- Out << " >";
- } else if (isa<ConstantPointerNull>(CV)) {
- Out << "null";
-
- } else if (isa<UndefValue>(CV)) {
- Out << "undef";
-
- } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
- Out << CE->getOpcodeName() << " (";
-
- for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) {
- printTypeInt(Out, (*OI)->getType(), TypeTable);
- WriteAsOperandInternal(Out, *OI, PrintName, TypeTable, Machine);
- if (OI+1 != CE->op_end())
- Out << ", ";
- }
-
- if (CE->getOpcode() == Instruction::Cast) {
- Out << " to ";
- printTypeInt(Out, CE->getType(), TypeTable);
- }
- Out << ')';
-
- } else {
- Out << "<placeholder or erroneous Constant>";
- }
-}
-
-
-/// WriteAsOperand - Write the name of the specified value out to the specified
-/// ostream. This can be useful when you just want to print int %reg126, not
-/// the whole instruction that generated it.
-///
-void WriteAsOperandInternal(std::ostream &Out, const Value *V,
- bool PrintName, TypeMap& TypeTable,
- SlotMachine *Machine) {
- Out << ' ';
- if ((PrintName || isa<GlobalValue>(V)) && V->hasName())
- Out << getLLVMName(V->getName());
- else {
- const Constant *CV = dyn_cast<Constant>(V);
- if (CV && !isa<GlobalValue>(CV)) {
- WriteConstantInternal(Out, CV, PrintName, TypeTable, Machine);
- } else if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) {
- Out << "asm ";
- if (IA->hasSideEffects())
- Out << "sideeffect ";
- Out << '"';
- PrintEscapedString(IA->getAsmString(), Out);
- Out << "\", \"";
- PrintEscapedString(IA->getConstraintString(), Out);
- Out << '"';
- } else {
- int Slot = Machine->getSlot(V);
- if (Slot != -1)
- Out << '%' << Slot;
- else
- Out << "<badref>";
- }
- }
-}
-
-/// WriteAsOperand - Write the name of the specified value out to the specified
-/// ostream. This can be useful when you just want to print int %reg126, not
-/// the whole instruction that generated it.
-///
-std::ostream &WriteAsOperand(std::ostream &Out, const Value *V,
- bool PrintType, bool PrintName,
- const Module *Context) {
- TypeMap TypeNames;
- if (Context == 0) Context = getModuleFromVal(V);
-
- if (Context)
- fillTypeNameTable(Context, TypeNames);
-
- if (PrintType)
- printTypeInt(Out, V->getType(), TypeNames);
-
- WriteAsOperandInternal(Out, V, PrintName, TypeNames, 0);
- return Out;
-}
-
-/// WriteAsOperandInternal - Write the name of the specified value out to
-/// the specified ostream. This can be useful when you just want to print
-/// int %reg126, not the whole instruction that generated it.
-///
-void WriteAsOperandInternal(std::ostream &Out, const Type *T,
- bool PrintName, TypeMap& TypeTable,
- SlotMachine *Machine) {
- Out << ' ';
- int Slot = Machine->getSlot(T);
- if (Slot != -1)
- Out << '%' << Slot;
- else
- Out << "<badref>";
-}
-
-/// WriteAsOperand - Write the name of the specified value out to the specified
-/// ostream. This can be useful when you just want to print int %reg126, not
-/// the whole instruction that generated it.
-///
-std::ostream &WriteAsOperand(std::ostream &Out, const Type *Ty,
- bool PrintType, bool PrintName,
- const Module *Context) {
- TypeMap TypeNames;
- assert(Context != 0 && "Can't write types as operand without module context");
-
- fillTypeNameTable(Context, TypeNames);
-
- // if (PrintType)
- // printTypeInt(Out, V->getType(), TypeNames);
-
- printTypeInt(Out, Ty, TypeNames);
-
- WriteAsOperandInternal(Out, Ty, PrintName, TypeNames, 0);
- return Out;
-}
-
class CppWriter {
std::ostream &Out;
- SlotMachine &Machine;
const Module *TheModule;
unsigned long uniqueNum;
TypeMap TypeNames;
@@ -614,53 +44,25 @@ class CppWriter {
TypeList TypeStack;
public:
- inline CppWriter(std::ostream &o, SlotMachine &Mac, const Module *M)
- : Out(o), Machine(Mac), TheModule(M), uniqueNum(0), TypeNames(),
+ inline CppWriter(std::ostream &o, const Module *M)
+ : Out(o), TheModule(M), uniqueNum(0), TypeNames(),
ValueNames(), UnresolvedTypes(), TypeStack() { }
- inline void write(const Module *M) { printModule(M); }
- inline void write(const GlobalVariable *G) { printGlobal(G); }
- inline void write(const Function *F) { printFunction(F); }
- inline void write(const BasicBlock *BB) { printBasicBlock(BB); }
- inline void write(const Instruction *I) { printInstruction(*I); }
- inline void write(const Constant *CPV) { printConstant(CPV); }
- inline void write(const Type *Ty) { printType(Ty); }
-
- void writeOperand(const Value *Op, bool PrintType, bool PrintName = true);
-
const Module* getModule() { return TheModule; }
-private:
void printModule(const Module *M);
+
+private:
void printTypes(const Module* M);
void printConstants(const Module* M);
void printConstant(const Constant *CPV);
void printGlobal(const GlobalVariable *GV);
void printFunction(const Function *F);
- void printArgument(const Argument *FA);
- void printBasicBlock(const BasicBlock *BB);
- void printInstruction(const Instruction &I);
+ void printInstruction(const Instruction *I, const std::string& bbname);
void printSymbolTable(const SymbolTable &ST);
void printLinkageType(GlobalValue::LinkageTypes LT);
void printCallingConv(unsigned cc);
-
- // printType - Go to extreme measures to attempt to print out a short,
- // symbolic version of a type name.
- //
- std::ostream &printType(const Type *Ty) {
- return printTypeInt(Out, Ty, TypeNames);
- }
-
- // printTypeAtLeastOneLevel - Print out one level of the possibly complex type
- // without considering any symbolic types that we may have equal to it.
- //
- std::ostream &printTypeAtLeastOneLevel(const Type *Ty);
-
- // printInfoComment - Print a little comment after the instruction indicating
- // which slot it occupies.
- void printInfoComment(const Value &V);
-
std::string getCppName(const Type* val);
std::string getCppName(const Value* val);
inline void printCppName(const Value* val);
@@ -668,8 +70,25 @@ private:
bool isOnStack(const Type*) const;
inline void printTypeDef(const Type* Ty);
bool printTypeDefInternal(const Type* Ty);
+ void printEscapedString(const std::string& str);
};
+// printEscapedString - Print each character of the specified string, escaping
+// it if it is not printable or if it is an escape char.
+void
+CppWriter::printEscapedString(const std::string &Str) {
+ for (unsigned i = 0, e = Str.size(); i != e; ++i) {
+ unsigned char C = Str[i];
+ if (isprint(C) && C != '"' && C != '\\') {
+ Out << C;
+ } else {
+ Out << '\\'
+ << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
+ << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
+ }
+ }
+}
+
std::string
CppWriter::getCppName(const Value* val) {
std::string name;
@@ -707,13 +126,13 @@ CppWriter::getCppName(const Value* val) {
void
CppWriter::printCppName(const Value* val) {
- PrintEscapedString(getCppName(val),Out);
+ printEscapedString(getCppName(val));
}
void
CppWriter::printCppName(const Type* Ty)
{
- PrintEscapedString(getCppName(Ty),Out);
+ printEscapedString(getCppName(Ty));
}
// Gets the C++ name for a type. Returns true if we already saw the type,
@@ -785,67 +204,13 @@ CppWriter::getCppName(const Type* Ty)
return TypeNames[Ty] = name;
}
-/// printTypeAtLeastOneLevel - Print out one level of the possibly complex type
-/// without considering any symbolic types that we may have equal to it.
-///
-std::ostream &CppWriter::printTypeAtLeastOneLevel(const Type *Ty) {
- if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
- printType(FTy->getReturnType()) << " (";
- for (FunctionType::param_iterator I = FTy->param_begin(),
- E = FTy->param_end(); I != E; ++I) {
- if (I != FTy->param_begin())
- Out << ", ";
- printType(*I);
- }
- if (FTy->isVarArg()) {
- if (FTy->getNumParams()) Out << ", ";
- Out << "...";
- }
- Out << ')';
- } else if (const StructType *STy = dyn_cast<StructType>(Ty)) {
- Out << "{ ";
- for (StructType::element_iterator I = STy->element_begin(),
- E = STy->element_end(); I != E; ++I) {
- if (I != STy->element_begin())
- Out << ", ";
- printType(*I);
- }
- Out << " }";
- } else if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) {
- printType(PTy->getElementType()) << '*';
- } else if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
- Out << '[' << ATy->getNumElements() << " x ";
- printType(ATy->getElementType()) << ']';
- } else if (const PackedType *PTy = dyn_cast<PackedType>(Ty)) {
- Out << '<' << PTy->getNumElements() << " x ";
- printType(PTy->getElementType()) << '>';
- }
- else if (const OpaqueType *OTy = dyn_cast<OpaqueType>(Ty)) {
- Out << "opaque";
- } else {
- if (!Ty->isPrimitiveType())
- Out << "<unknown derived type>";
- printType(Ty);
- }
- return Out;
-}
-
-
-void CppWriter::writeOperand(const Value *Operand, bool PrintType,
- bool PrintName) {
- if (Operand != 0) {
- if (PrintType) { Out << ' '; printType(Operand->getType()); }
- WriteAsOperandInternal(Out, Operand, PrintName, TypeNames, &Machine);
- } else {
- Out << "<null operand!>";
- }
-}
-
-
void CppWriter::printModule(const Module *M) {
Out << "\n// Module Construction\n";
Out << "Module* mod = new Module(\"";
- PrintEscapedString(M->getModuleIdentifier(),Out);
+ if (M->getModuleIdentifier() == "-")
+ printEscapedString("<stdin>");
+ else
+ printEscapedString(M->getModuleIdentifier());
Out << "\");\n";
Out << "mod->setEndianness(";
switch (M->getEndianness()) {
@@ -864,7 +229,7 @@ void CppWriter::printModule(const Module *M) {
if (!M->getModuleInlineAsm().empty()) {
Out << "mod->setModuleInlineAsm(\"";
- PrintEscapedString(M->getModuleInlineAsm(),Out);
+ printEscapedString(M->getModuleInlineAsm());
Out << "\");\n";
}
@@ -945,13 +310,13 @@ void CppWriter::printGlobal(const GlobalVariable *GV) {
Out << "0";
}
Out << ",\n /*Name=*/\"";
- PrintEscapedString(GV->getName(),Out);
+ printEscapedString(GV->getName());
Out << "\",\n mod);\n";
if (GV->hasSection()) {
printCppName(GV);
Out << "->setSection(\"";
- PrintEscapedString(GV->getSection(),Out);
+ printEscapedString(GV->getSection());
Out << "\");\n";
}
if (GV->getAlignment()) {
@@ -993,10 +358,9 @@ CppWriter::printTypeDef(const Type* Ty) {
case Type::OpaqueTyID: Out << "OpaqueType"; break;
default: Out << "NoSuchDerivedType"; break;
}
- Out << ">(" << I->second << "_fwd.get());\n";
+ Out << ">(" << I->second << "_fwd.get());\n\n";
UnresolvedTypes.erase(I);
}
- Out << "\n";
}
bool
@@ -1129,6 +493,7 @@ CppWriter::printTypeDefInternal(const Type* Ty) {
// Pop us off the type stack
TypeStack.pop_back();
+ Out << "\n";
// We weren't a recursive type
return false;
@@ -1169,51 +534,37 @@ CppWriter::printTypes(const Module* M) {
void
CppWriter::printConstants(const Module* M) {
- const SymbolTable& ST = M->getSymbolTable();
-
- // Print the constants, in type plane order.
- for (SymbolTable::plane_const_iterator PI = ST.plane_begin();
- PI != ST.plane_end(); ++PI ) {
- SymbolTable::value_const_iterator VI = ST.value_begin(PI->first);
- SymbolTable::value_const_iterator VE = ST.value_end(PI->first);
-
- for (; VI != VE; ++VI) {
- const Value* V = VI->second;
- const Constant *CPV = dyn_cast<Constant>(V) ;
- if (CPV && !isa<GlobalValue>(V)) {
- printConstant(CPV);
- }
- }
- }
-
// Add all of the global variables to the value table...
for (Module::const_global_iterator I = TheModule->global_begin(),
E = TheModule->global_end(); I != E; ++I)
if (I->hasInitializer())
printConstant(I->getInitializer());
-}
-// printSymbolTable - Run through symbol table looking for constants
-// and types. Emit their declarations.
-void CppWriter::printSymbolTable(const SymbolTable &ST) {
-
- // Print the types.
- for (SymbolTable::type_const_iterator TI = ST.type_begin();
- TI != ST.type_end(); ++TI ) {
- Out << "\t" << getLLVMName(TI->first) << " = type ";
-
- // Make sure we print out at least one level of the type structure, so
- // that we do not get %FILE = type %FILE
- //
- printTypeAtLeastOneLevel(TI->second) << "\n";
+ // Traverse the LLVM functions looking for constants
+ for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
+ FI != FE; ++FI) {
+ // Add all of the basic blocks and instructions
+ for (Function::const_iterator BB = FI->begin(),
+ E = FI->end(); BB != E; ++BB) {
+ for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
+ ++I) {
+ for (unsigned i = 0; i < I->getNumOperands(); ++i) {
+ if (Constant* C = dyn_cast<Constant>(I->getOperand(i))) {
+ printConstant(C);
+ }
+ }
+ }
+ }
}
-
}
-
-/// printConstant - Print out a constant pool entry...
-///
+// printConstant - Print out a constant pool entry...
void CppWriter::printConstant(const Constant *CV) {
+ // First, if the constant is in the constant list then we've printed it
+ // already and we shouldn't reprint it.
+ if (ValueNames.find(CV) != ValueNames.end())
+ return;
+
const int IndentSize = 2;
static std::string Indent = "\n";
std::string constName(getCppName(CV));
@@ -1223,6 +574,10 @@ void CppWriter::printConstant(const Constant *CV) {
<< typeName << ");\n";
return;
}
+ if (isa<GlobalValue>(CV)) {
+ // Skip variables and functions, we emit them elsewhere
+ return;
+ }
if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
Out << "Constant* " << constName << " = ConstantBool::get("
<< (CB == ConstantBool::True ? "true" : "false")
@@ -1267,9 +622,9 @@ void CppWriter::printConstant(const Constant *CV) {
"assuming that double is 64 bits!");
Out << "0x" << utohexstr(DoubleToBits(CFP->getValue())) << ");";
} else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
- if (CA->isString()) {
+ if (CA->isString() && CA->getType()->getElementType() == Type::SByteTy) {
Out << "Constant* " << constName << " = ConstantArray::get(\"";
- PrintEscapedString(CA->getAsString(),Out);
+ printEscapedString(CA->getAsString());
Out << "\");";
} else {
Out << "std::vector<Constant*> " << constName << "_elems;\n";
@@ -1304,25 +659,55 @@ void CppWriter::printConstant(const Constant *CV) {
<< typeName << ", " << constName << "_elems);";
} else if (isa<UndefValue>(CV)) {
Out << "Constant* " << constName << " = UndefValue::get("
- << typeName << ");\n";
+ << typeName << ");";
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
- Out << CE->getOpcodeName() << " (";
-
- for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) {
- //printTypeInt(Out, (*OI)->getType(), TypeTable);
- //WriteAsOperandInternal(Out, *OI, PrintName, TypeTable, Machine);
- if (OI+1 != CE->op_end())
- Out << ", ";
- }
-
- if (CE->getOpcode() == Instruction::Cast) {
- Out << " to ";
- // printTypeInt(Out, CE->getType(), TypeTable);
+ if (CE->getOpcode() == Instruction::GetElementPtr) {
+ Out << "std::vector<Constant*> " << constName << "_indices;\n";
+ for (unsigned i = 1; i < CE->getNumOperands(); ++i ) {
+ Out << constName << "_indices.push_back("
+ << getCppName(CE->getOperand(i)) << ");\n";
+ }
+ Out << "Constant* " << constName << " = new GetElementPtrInst("
+ << getCppName(CE->getOperand(0)) << ", " << constName << "_indices";
+ } else if (CE->getOpcode() == Instruction::Cast) {
+ Out << "Constant* " << constName << " = ConstantExpr::getCast(";
+ Out << getCppName(CE->getOperand(0)) << ", " << getCppName(CE->getType())
+ << ");";
+ } else {
+ Out << "Constant* " << constName << " = ConstantExpr::";
+ switch (CE->getOpcode()) {
+ case Instruction::Add: Out << "getAdd"; break;
+ case Instruction::Sub: Out << "getSub"; break;
+ case Instruction::Mul: Out << "getMul"; break;
+ case Instruction::Div: Out << "getDiv"; break;
+ case Instruction::Rem: Out << "getRem"; break;
+ case Instruction::And: Out << "getAnd"; break;
+ case Instruction::Or: Out << "getOr"; break;
+ case Instruction::Xor: Out << "getXor"; break;
+ case Instruction::SetEQ: Out << "getSetEQ"; break;
+ case Instruction::SetNE: Out << "getSetNE"; break;
+ case Instruction::SetLE: Out << "getSetLE"; break;
+ case Instruction::SetGE: Out << "getSetGE"; break;
+ case Instruction::SetLT: Out << "getSetLT"; break;
+ case Instruction::SetGT: Out << "getSetGT"; break;
+ case Instruction::Shl: Out << "getShl"; break;
+ case Instruction::Shr: Out << "getShr"; break;
+ case Instruction::Select: Out << "getSelect"; break;
+ case Instruction::ExtractElement: Out << "getExtractElement"; break;
+ case Instruction::InsertElement: Out << "getInsertElement"; break;
+ case Instruction::ShuffleVector: Out << "getShuffleVector"; break;
+ default: